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The Multilevel Climate Action Playbook Second Edition

The Multilevel Climate Action Playbook Second Edition is a follow-up to the Multilevel Climate Action Playbook for Local and Regional Governments published in November 2021, which recommended key elements of an enabling environment that can weave climate ambition and action of local and regional governments into Party policy developments. This second edition of the Playbook … read more
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News

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November 3, 2025

GCoM and C40 Cities Launch “City Climate Compass” and First Intensive Training Cohort to Accelerate Data-Driven Action in Brazil

The Global Covenant of Mayors for Climate & Energy (GCoM) and C40 Cities, in close collaboration with the Federal Government of Brazil, have announced the development of the City Climate Compass (beta version) - a pioneering digital dashboard that consolidates climate data from all 5,570 Brazilian municipalities - offering an integrated view of local greenhouse … read more
World’s Cities Seek Record $105 Billion for Climate Projects
November 3, 2025

World’s Cities Seek Record $105 Billion for Climate Projects

CDP analysis shows amount needed to fund urban climate infrastructure projects leaps from $86 billion in 2024 to $105 billion in 2025 Green infrastructure and nature-based solutions are the fastest growing sectors more than quadrupling between 2020 and 2024. London, 3 November 2025: For the first time, the world’s cities are seeking more than $100 … read more
UN Review of National Climate Plans Sees Greater Support for Local Action Role
October 30, 2025

UN Review of National Climate Plans Sees Greater Support for Local Action Role

Ahead of COP30 in Belém, Brazil, a United Nations analysis of the latest national climate plans has a clear message: the world is moving forward to tackle the climate catastrophe, but not fast enough. This ambition gap is a sobering reminder that progress must now urgently accelerate and be supported, in cities, regions, and communities … read more

Research

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Turning Research Into Action: A New Brief for Cities Leading the Climate Transition
July 1, 2025

Turning Research Into Action: A New Brief for Cities Leading the Climate Transition

Local leaders are at the forefront of climate action, shaping climate-resilient development in cities and communities worldwide. Building on findings from the 2024 Innovate4Cities Conference (I4C24), the Cities and Local Governments Sector Brief highlights the essential role of cities in advancing local, regional, and global climate goals. The brief draws from the Global Research and … read more
Gender & Inclusion Toolkit: Advancing Equitable Climate Action in Cities
July 1, 2025

Gender & Inclusion Toolkit: Advancing Equitable Climate Action in Cities

Climate change disproportionately affects women, girls, and other vulnerable population groups, including people with disabilities and those living in informal settlements. Addressing inequality is essential for concrete climate action and for achieving a sustainable, just future. That's why the Global Covenant of Mayors for Climate & Energy (GCoM) has proudly developed a Gender and Inclusion … read more
July 1, 2025

Empowering Cities, Transforming Futures

Cities play a crucial role in driving climate action and achieving the goals of the Paris Agreement. While global commitments provide direction, local governments need targeted support to turn their climate plans into concrete projects. This publication, a collaborative effort by the City Climate Finance Gap Fund, the Global Covenant of Mayors for Climate & … read more

Press Releases

All Press Releases
World’s Cities Seek Record $105 Billion for Climate Projects
November 3, 2025

World’s Cities Seek Record $105 Billion for Climate Projects

CDP analysis shows amount needed to fund urban climate infrastructure projects leaps from $86 billion in 2024 to $105 billion in 2025 Green infrastructure and nature-based solutions are the fastest growing sectors more than quadrupling between 2020 and 2024. London, 3 November 2025: For the first time, the world’s cities are seeking more than $100 … read more
Winners Announced at the 2025 AI x City Climate Action Hackathon at Climate Week NYC Hosted by the Global Covenant of Mayors and NY Climate Exchange
September 23, 2025

Winners Announced at the 2025 AI x City Climate Action Hackathon at Climate Week NYC Hosted by the Global Covenant of Mayors and NY Climate Exchange

Two Teams Awarded for Transformative AI-Powered Urban Climate Solutions New York City, New York (September 23, 2025) — The Global Covenant of Mayors for Climate and Energy (GCoM) has unveiled the winners of the 2025 AI x City Climate Action Forum and Hackathon, held during Climate Week NYC in partnership with the New York Climate … read more

2025 AI x City Climate Action Hackathon at Climate Week NYC for Urban Climate Solutions, Hosted by the Global Covenant of Mayors and New York Climate Exchange
September 19, 2025

2025 AI x City Climate Action Hackathon at Climate Week NYC for Urban Climate Solutions, Hosted by the Global Covenant of Mayors and New York Climate Exchange

Two winning teams to be announced at the forum, unveiling AI-powered solutions that can transform energy access and accelerate city-led climate action. New York City, New York (September 17, 2025) — On September 22, the Global Covenant of Mayors for Climate and Energy (GCoM) and The New York Climate Exchange (The Exchange) will host the … read more

GCoM in the news

GCoM in the News
May 10, 2021

Racing Toward a Climate Neutral Europe

FAQ on Race to Zero, Race to Resilience, and new Covenant Europe commitments Cities Race to Zero and Covenant of Mayors - Europe: A Quick Guide for European Cities Interview with Giorgia Rambelli, ICLEI Europe Coordinator, Climate Policy and Energy Governance
February 19, 2021

Cities May Be Our Greatest Hope in the Face of Climate Change and the Pandemic

BY ANNE HIDALGO AND WILLIAM PEDUTO Anne Hidalgo is the mayor of Paris, France and a board member of the Global Covenant of Mayors for Climate & Energy, the world’s largest global alliance for city climate leadership. William Peduto is the mayor of Pittsburgh, Penn., and a board member of the Global Covenant of Mayors … read more

October 10, 2019

Google offers tool for cities to measure emissions

A tool Google offered in the US to help cities measure pollution and emissions levels is now available in Europe. It compiles transport and building data from Google Maps with publicly available information about emissions Google will initially offer the tool to Birmingham, Manchester, Wolverhampton and Coventry, Dublin and Copenhagen. It plans to add more … read more

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